diff options
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/pcm.c | 5 | ||||
| -rw-r--r-- | sound/usb/quirks-table.h | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index b470404a5376..e692ae04436a 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -291,6 +291,9 @@ int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, bool is_playback; int err; + if (fmt->sync_ep) + return 0; /* already set up */ + alts = snd_usb_get_host_interface(chip, fmt->iface, fmt->altsetting); if (!alts) return 0; @@ -304,7 +307,7 @@ int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, * Generic sync EP handling */ - if (altsd->bNumEndpoints < 2) + if (fmt->ep_idx > 0 || altsd->bNumEndpoints < 2) return 0; is_playback = !(get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN); diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 78eb41b621d6..4f56e1784932 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2658,7 +2658,12 @@ YAMAHA_DEVICE(0x7010, "UB99"), .nr_rates = 2, .rate_table = (unsigned int[]) { 44100, 48000 - } + }, + .sync_ep = 0x82, + .sync_iface = 0, + .sync_altsetting = 1, + .sync_ep_idx = 1, + .implicit_fb = 1, } }, { |